78394493 is an odd 8-digits composite number following 78394492
and preceding 78394494 . In scientific notation, it is written as 7.8394493 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 77334048 positive integers (up to 78394493) that are relatively prime to 78394493.
78394493 has 8 divisors, whose sum is 79459200
The reverse of 78394493 is 39449387
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-eight million three hundred ninety-four thousand four hundred ninety-three
Scientific notation
7.8394493 × 10^7
Engineering notation
7.8394493 × 10^6
Prime Factorization
89 × 619 × 1423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78394493
Product of the distinct prime numbers
The prime factorization of 78394493 is 89 × 619 × 1423.
Since it has a total of 3 prime factors.
1 , 9 , 26 , 21 , 589 , 774 , 9797 , 995 , 69789 , 23152 , 787451 , 103409 , 953780 , 890467 , 81162593 , 63621620 , 298214108 , 222555188 , 2758898415 , 1564463772
n×2
156788986
n×3
235183479
n×4
313577972
n×5
391972465
n÷2
39197246.5
n÷3
26131497.666667
n÷3
19598623.25
n÷5
15678898.6
n2
6145696532727049
n3
4.8178876381499E+23
n4
3.7769585872373E+31
n5
2.9609275352847E+39
2 √n
8854.066466884
3 √n
427.98497086714
4 √n
94.096049156615
5 √n
37.919020566143
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78394492
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78394493 can be divided by 8 positive divisors.
The sum of these divisors (counting 78394493) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101011000011010001111101
3
Ternary
12110111212000202
4
Quaternary
10223003101331
5
Quinary
130032110433
6
Senary
11440133245
8
Octal
453032175
10
Decimal
78394493
12
Duodecimal
22307225
16
Hexadecimal
4ac347d
20
Vigesimal
149j64d
36
Base36
1ao9kt
md5
323641fa52d07e61101a41f965892908
sha1
eff747166daa14723c4f626469e7b2e5f788f835
sha256
8319d5d62a2b5a1c0dcdd0935533bf2d014a5ca983e80917a27d76303ed7bbc5
sha512
ce99690c958ccfd0ceccac1a0e67f392d4fe6b09798cd43e42d09c87b1bdb272468f6433da8f57a96fe9496c5d2f13e796c9ac6034de39a63744323ff6788ebf
ripemd-160
662f3c9c909f0d8e99d5200f43a4f471bff2ddc2
Diameter
156788986
Circumference
492567126.58139
Area
1.9307275078408E+16
Volume
2.0181120546444E+24
Surface area
7.722910031363E+16
Circumference
492567126.58139
Perimeter
313577972
Area
6145696532727049
Diagonal
110866555.21596
Surface area
36874179196362294
Volume
4.8178876381499E+23
Space diagonal
135783244.9096
Perimeter
235183479
Area
2.6611646606458E+15
Altitude
67891622.454801
Surface area
2.6611646606458E+15
Volume
5.6779350332178E+22
Height
36955518.405321